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Screenbox vs KMPlayer: catalog facts
Screenbox	KMPlayer
Free Free and open source.	Free Free to download and use.
Windows	Windows, macOS
Broad format support through LibVLC Native Windows interface	Built-in codecs for most formats Plays 4K and 3D video
Windows only Fewer advanced options than full VLC	Closed source Little detail available from the official site about current features
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.